package siac.com.filtro;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import siac.com.util.PaginaUtil;

// @WebFilter(servletNames = { "faces2" })
public class FiltroLogin implements Filter {
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpSession session = req.getSession();
		if (session.getAttribute("autenticado") != null
				|| req.getRequestURI().endsWith("login.xhtml")) {
			chain.doFilter(request, response);
		} else {
			HttpServletResponse res = (HttpServletResponse) response;
			res.sendRedirect(PaginaUtil.LOGIN);
		}
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	}

	@Override
	public void destroy() {
	}
}
